1307 2007 Ford Mustang Gt 500 Engine

The math is apparently simple: one Whipple 3.4-liter twin-screw plus a pair of American Racing long-tubes equals 755 rwhp on pump gas and somewhere north of 1,000 on C16. This is on an otherwise-stock 5.4-liter long-block that has survived 200-mph runs, 10-second passes, and lots of street antics.